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Visitor II
July 25, 2007
Question

Bulk Transfer

  • July 25, 2007
  • 4 replies
  • 1229 views
Posted on July 25, 2007 at 06:13

Bulk Transfer

    This topic has been closed for replies.

    4 replies

    Visitor II
    July 24, 2007
    Posted on July 24, 2007 at 13:55

    Hello,

    I use ST Mass Storage demo(Simple Buffer) and DDK�DriverStudio to generate a host application ,but I find that when I want to read from

    the ST board,it does not enter the CTR_LP()

    How can I solve the problem?

    Visitor II
    July 24, 2007
    Posted on July 24, 2007 at 14:25

    Hi suixingzhu;

    Are you sure that the endpoint is in VALID state? and not NAK...

    Regards

    The Lion heart

    Visitor II
    July 24, 2007
    Posted on July 24, 2007 at 23:15

    Thank you for you help

    Do you mean that I must set In point in valid status before the host send a IN packet to str711 board? Should I set IN point in valid status in MASS_Reset()?

    Visitor II
    July 25, 2007
    Posted on July 25, 2007 at 06:13

    Hello

    I modify the str711 Mass Storage demo,when I want to read from the USB device,the fisrt time it read 16 bytes what are not my want,then the sencond and third time ,it is right.

    But when I power on again,it repeat what I say again

    How can I modify it? :-[

    a second question:

    When the str711 board first receive a IN packet,which function the process enter?

    [ This message was edited by: suixingzhu on 25-07-2007 10:04 ]

    [ This message was edited by: suixingzhu on 25-07-2007 10:58 ]